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Home >> Hummer >> 2009 >> H3T Alpha >> Repair and Diagnosis >> External Pages >> Different car >> Section 161 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Diagnostic Information and Procedures >> Popping Noise

Popping Noise

WARNING: This page is about a different car, the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Popping Noise

Checks Action
DEFINITION: A popping noise, similar to popcorn popping
Oil Pump System
  • Check fluid level.
  • Inspect for pump cavitation, indicated by bubbles in fluid.
  • Inspect the transmission fluid filter for a leaky seam.
  • Inspect the transmission fluid filter seal for improper positioning or for a cut seal.
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